in my makeover lists, there are two types of nerds. those who got spurned and had a makeover and the second type are typical nerd-looking guys but looks amazing when the coke glasses were removed (⌒▽⌒) http://www.mangago.me/home/mangalist/43403/
http://www.mangago.me/people/tag/84879/Otaku/ this might help, but i think all of them are yaoi
is there any shounen ai where the seme or uke is a geek or nerd but really cute ?